Secret Diary of a Call Girl

Secret Diary of a Call Girl is a British drama television series that aired from 27 September 2007 to 22 March 2011 on ITV2, based on the blog and books by the pseudonymous Belle de Jour. It stars Billie Piper as Belle, a high-end call girl in London.

The series was written by Lucy Prebble, who is also the author of the plays The Sugar Syndrome and Enron. The series has been compared to Sex and the City by many critics, mainly due to its humorous approach to sex.